package com.atguigu.gmall.payment.controller;

import com.alipay.api.AlipayApiException;
import com.alipay.api.internal.util.AlipaySignature;
import com.atguigu.gmall.common.result.Result;
import com.atguigu.gmall.model.enums.PaymentType;
import com.atguigu.gmall.model.payment.PaymentInfo;
import com.atguigu.gmall.payment.config.AlipayConfig;
import com.atguigu.gmall.payment.service.AlipayService;
import com.atguigu.gmall.payment.service.PaymentService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.*;

import java.math.BigDecimal;
import java.util.HashMap;

/**
 * @author atguigu-mqx
 */
@Controller
@RequestMapping("/api/payment/alipay")
public class AlipayController {

    @Autowired
    private AlipayService alipayService;

    @Autowired
    private PaymentService paymentService;

    //  http://api.gmall.com/api/payment/alipay/submit/48
    @RequestMapping("submit/{orderId}")
    @ResponseBody
    public String submitPay(@PathVariable Long orderId){
        //  调用方法
        String from = null;
        try {
            from = alipayService.createAliPay(orderId);
        } catch (AlipayApiException e) {
            e.printStackTrace();
        }
        //  返回数据
        return from;
    }

    //  退款接口：
    @RequestMapping("refund/{orderId}")
    @ResponseBody
    public Result refund(@PathVariable Long orderId){
        //  退款接口
        Boolean flag = alipayService.refund(orderId);
        return Result.ok(flag);
    }

    //  同步回调控制器 http://api.gmall.com/api/payment/alipay/callback/return
    //  需要展示一个支付成功的页面！ 页面在web-all 中！
    @GetMapping("callback/return")
    public String callbackReturn(){
        //  重定向到web-all中的控制器！
        //  http://payment.gmall.com/pay/success.html
        return "redirect:"+ AlipayConfig.return_order_url;
    }

    //  异步回调通知
    //  http://n8sa9h.natappfree.cc/api/payment/alipay/callback/notify
    //  https: //商家网站通知地址?voucher_detail_list=[{"amount":"0.20","merchantContribute":"0.00","name":"5折券","otherContribute":"0.20","type":"ALIPAY_DISCOUNT_VOUCHER","voucherId":"2016101200073002586200003BQ4"}]&fund_bill_list=[{"amount":"0.80","fundChannel":"ALIPAYACCOUNT"},{"amount":"0.20","fundChannel":"MDISCOUNT"}]&subject=PC网站支付交易&trade_no=2016101221001004580200203978&gmt_create=2016-10-12 21:36:12&notify_type=trade_status_sync&total_amount=1.00&out_trade_no=mobile_rdm862016-10-12213600&invoice_amount=0.80&seller_id=2088201909970555&notify_time=2016-10-12 21:41:23&trade_status=TRADE_SUCCESS&gmt_payment=2016-10-12 21:37:19&receipt_amount=0.80&passback_params=passback_params123&buyer_id=2088102114562585&app_id=2016092101248425&notify_id=7676a2e1e4e737cff30015c4b7b55e3kh6& sign_type=RSA2&buyer_pay_amount=0.80&sign=***&point_amount=0.00
    @PostMapping("callback/notify")
    @ResponseBody
    public String callbackNotify(@RequestParam HashMap<String,String> paramMap ){
        System.out.println("死鬼你才回来......");
        // Map<String, String> paramsMap = ... //将异步通知中收到的所有参数都存放到map中
        boolean signVerified = false; //调用SDK验证签名
        try {
            signVerified = AlipaySignature.rsaCheckV1(paramMap, AlipayConfig.alipay_public_key, AlipayConfig.charset, AlipayConfig.sign_type);
        } catch (AlipayApiException e) {
            e.printStackTrace();
        }
        //  获取数据：
        String outTradeNo = paramMap.get("out_trade_no");
        String totalAmount = paramMap.get("total_amount");
        // String sellerId = paramMap.get("seller_id"); 正常业务来讲，你买了谁的东西，应该有记录！
        String appId = paramMap.get("app_id");
        String tradeStatus = paramMap.get("trade_status");

        if(signVerified){
            // TODO 验签成功后，按照支付结果异步通知中的描述，对支付结果中的业务内容进行二次校验，校验成功后在response中返回success并继续商户自身业务处理，校验失败返回failure
            // out_trade_no total_amount seller_id app_id
            // TRADE_SUCCESS 或 TRADE_FINISHED
            PaymentInfo paymentInfoQuery = paymentService.getPaymentInfo(outTradeNo, PaymentType.ALIPAY.name());
            //  比较金额：
            //   BigDecimal totalAmount1 = paymentInfoQuery.getTotalAmount();
            // 正常比较  totalAmount1 与 totalAmount
            //  支付的时候给的固定值！  //  AlipayConfig.app_id;
            BigDecimal testTotalAmount = new BigDecimal("0.01");
            if (paymentInfoQuery==null || testTotalAmount.compareTo(new BigDecimal(totalAmount))!=0 || !("2021001163617452").equals(appId) ){
                return "failure";
            }
            //  此时需要验证了状态！
            if ("TRADE_SUCCESS".equals(tradeStatus) || "TRADE_FINISHED".equals(tradeStatus)){
                //  更新交易记录状态！
                paymentService.paySuccess(outTradeNo,PaymentType.ALIPAY.name(),paramMap);
                //  返回成功！
                return "success";
            }

        }else{
            // TODO 验签失败则记录异常日志，并在response中返回failure.
            return "failure";
        }
        return "failure";
    }

    //  关闭支付宝交易记录！
    @GetMapping("closePay/{orderId}")
    @ResponseBody
    public Boolean closePay(@PathVariable Long orderId){
        //  调用关闭方法
        boolean flag = alipayService.closePay(orderId);
        return flag;
    }

    // 查看是否有交易记录
    @RequestMapping("checkPayment/{orderId}")
    @ResponseBody
    public Boolean checkPayment(@PathVariable Long orderId){
        //  调用关闭方法
        boolean flag = alipayService.checkPayment(orderId);
        return flag;
    }

    //  发布一个查询是否有交易记录的接口！
    @GetMapping("getPaymentInfo/{outTradeNo}")
    @ResponseBody
    public PaymentInfo getPaymentInfo(@PathVariable String outTradeNo){
        PaymentInfo paymentInfo = paymentService.getPaymentInfo(outTradeNo, PaymentType.ALIPAY.name());
        if (null!=paymentInfo){
            return paymentInfo;
        }
        return null;
    }
}

